2 Harbinger of the Tides
2 Silvergill Adept
4 Tide Shaper
4 Svyelun of Sea and Sky
4 Vodalian Hexcatcher
4 Merfolk Trickster
4 Master of the Pearl Trident
4 Lord of Atlantis
4 Aether Vial
4 Force of Negation
4 Dismember
2 Otawara, Soaring City
4 Mutavault
4 Cavern of Souls
10 Island
Sideboard
2 Harbinger of the Tides
2 Relic of Progenitus
3 Spreading Seas
4 Subtlety
4 Chalice of the Void